5-Aza-9-Deazainosine, N-benzoyl-P(O)-(2-cyanoethyl)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-P-thioadenylyl-(2′→5′)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 3′-(hydrogen phosphonate)

2′-Guanylic acid, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]adenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, cyclic nucleotide

N-[1-[2-O-[(1,1-Dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-1H-imidazo[4,5-c]pyridin-4-yl]benzamide

N-[1-[3,5-O-[Bis(1,1-dimethylethyl)silylene]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-1H-imidazo[4,5-c]pyridin-4-yl]benzamide

3-Deaza-2′-inosinic acid, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]adenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, cyclic nucleotide

3-Deaza-2′-inosinic acid, N-benzoyl-P-(2-cyanoethyl)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]adenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, cyclic nucleotide

3-Deazainosine, N-benzoyl-P-(2-cyanoethyl)-2′-O-[(1,1-dimethylethyl)dimethylsilyl]adenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, 2′-(hydrogen phosphonate)

1-[3-O-[(1,1-Dimethylethyl)dimethylsilyl]-2-O-(hydroxyphosphinyl)-β-D-ribofuranosyl]-1,5-dihydro-4H-imidazo[4,5-c]pyridin-4-one

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-2-O-(hydroxyphosphinyl)-β-D-ribofuranosyl]-1,5-dihydro-4H-imidazo[4,5-c]pyridin-4-one

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-1,5-dihydro-4H-imidazo[4,5-c]pyridin-4-one

1-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-β-D-ribofuranosyl]-1,5-dihydro-4H-imidazo[4,5-c]pyridin-4-one

1,5-Dihydro-1-(2,3,5-tri-O-benzoyl-β-D-ribofuranosyl)-4H-imidazo[4,5-c]pyridin-4-one

2′-Guanylic acid, 2′-O-[(1,1-dimethylethyl)dimethylsilyl]-7-fluoro-7-deazaadenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-, cyclic nucleotide

2′-Guanylic acid, N-benzoyl-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-7-fluoro-7-deazaadenylyl-(3′→5′)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)-, 2′-(2-cyanoethyl) ester, cyclic nucleotide

7-Deazaadenosine, P-(2-cyanoethyl)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-N-(2-methyl-1-oxopropyl)guanylyl-(2′→5′)-N-benzoyl-2′-O-[(1,1-dimethylethyl)dimethylsilyl]-7-fluoro-, 3′-(hydrogen phosphonate)

N-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-3-O-(hydroxyphosphinyl)-β-D-ribofuranosyl]-5-fluoro-7H-pyrrolo[2,3-d]pyrimidin-4-yl]benzamide

N-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-3-O-[[bis(1-methylethyl)amino](2-cyanoethoxy)phosphino]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-5-fluoro-7H-pyrrolo[2,3-d]pyrimidin-4-yl]benzamide

N-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-2-O-[(1,1-dimethylethyl)dimethylsilyl]-β-D-ribofuranosyl]-5-fluoro-7H-pyrrolo[2,3-d]pyrimidin-4-yl]benzamide

Adenosine, 5′-O-[bis(4-methoxyphenyl)phenylmethyl]-P-(2-cyanoethyl)-3′-O-[(1,1-dimethylethyl)dimethylsilyl]-7-fluoro-7-deazainosinylyl-(2′→5′)-N-benzoyl-2′-deoxy-2′-fluoro-, 3′-(hydrogen phosphonate)

N-[7-[5-O-[Bis(4-methoxyphenyl)phenylmethyl]-β-D-ribofuranosyl]-5-fluoro-7H-pyrrolo[2,3-d]pyrimidin-4-yl]benzamide